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Poll: Edwards leads in Iowa

From NBC's Domenico MontanaroIn an InsiderAdvantage poll in Iowa, Edwards leads among (977) likely voters 30-26-24 over Clinton and Obama. Edwards is also the clear second choice winner, 42-29-28 over Clinton and Obama. This is the first poll to show Edwards solely in the lead in Iowa since July.

Among highly likely caucus goers (of which there are 633), though, the three are deadlocked: Obama 27, Edwards 26, Clinton 24. Edwards again wins second choice, 42-31-27 over Clinton and Obama. The poll was conducted Dec. 16-17 and has a margin of error of 3% for the likely voters section and 4% for the highly likely voters section.